18381488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67579}}^1$

素因数の和:67604

約数の個数: 20

約数和(自身を含む): 37709640

約数和(自身を除く): 19328152

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67579, 135158, 270316, 540632, 1081264, 1148843, 2297686, 4595372, 9190744, 18381488]

約数ペア:

[(1, 18381488), (2, 9190744), (4, 4595372), (8, 2297686), (16, 1148843), (17, 1081264), (34, 540632), (68, 270316), (136, 135158), (272, 67579)]